The Rozenberg wind wall in South Holland makes for smooth sailing through the Calandbrug canal.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

A beautiful maze marks where three countries meet.

Luxembourg's most popular statue since 1923 has been missing for... 26 years!

The last bastion of Roman presence north of the Alps looms over a German town.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

There has been an astronomical clock on this spot since the 14th century.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

This Volcano-like rest area was designed by architect Giulio Ceppi built according to energy efficiency and ecological footprint standards.

Visit a prison tower used during witch tribunals.

The largest underground lake in Europe.

These spindly, stone-capped formations are the product of glacial deposits and thousands of years of erosion.

A symbol of friendship between the mountainous regions of Switzerland and Bhutan.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

A remarkable two-country morph, this town is part of Germany legally but is by all other measures Swiss.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

A permanent exhibition honors Queen, which recorded seven albums at the casino-based studio, including “Under Pressure” with David Bowie.

An opulent monument built for a duke who donated his entire fortune to the city of Geneva.

This secret Swiss fortress is disguised as a harmless pink house, complete with fake windows.

This large sculpture of white plates and forms is actually a huge sound amplifier.